Steel 03Х11Н8М2Ф (ДИ52)
Steel 10Х15Н27Т3МР (EP700)
Steel 08Cr17T (EI645)
Steel 08Cr18Ni10 (EI119)
Steel 08Cr18Ni10T (EI914)
Steel 08X18T1 (0X18T1)
Steel 08Х20Н14С2 (ЭИ732)
Steel 09Cr18Ni10T (1Cr18Ni10T)
Steel 10Х13Г18Д (DI-61; 12Х13Г18Д)
Steel 06X18H10T (06X18H10)
Steel 12X17 (X17)
Steel 12Х20Н14С2 (ЭИ732)
Steel 13Х13С2М2 (ЭИ852)
Steel 15X25T (EI439)
Steel 15X28 (EI349)
Steel 20Х20Н14С2 (ЭИ211)
4X18H2M steel (EP378)
Steel 06X20H14C2
Steel 06Х18Г9Н5АБ (06Х18Г5Н5АБ; ЧС51)
Steel 06Х16Н2К5ФМБ (EP875; VNS-26)
05Cr18Ni10T (0Cr18Ni10T) steel
Steel 03X20Yu3NTB (KO-4)
Steel 03Cr18Ni10T (03Cr18Ni10T; Cr18Ni10T)
Steel 03Х17Н8Г5МФАБ (VNS-31)
Steel 03Х11Н8М2Ф (DI52)
Steel 01Х25ТБЮ (ChS76; 01Х25ТБ)
Steel 01X25T (ChS75)
Steel 01X25M2T (ChS78)
Steel 01X13MBSch (EP933)
Steel 01X18T (ChS74)
Steel 01X18M2T (ChS77)
Steel 01X18 (ChS86)
Steel 015Cr18M2B (EP882)
Designation
| Name | The value |
|---|---|
| Designation GOST Cyrillic | 03Х11Н8М2Ф |
| Designation GOST Latin | 03X11H8M2F |
| Transliteration | 03H11N8M2F |
| The chemical elements | 03Cr11Н8Mo2V |
| Name | The value |
|---|---|
| Designation GOST Cyrillic | ДИ52 |
| Designation GOST Latin | DI52 |
| Transliteration | DI52 |
| The chemical elements | CuИ52 |
Description
03Х11Н8М2Ф steel is used: for the production of tube billet and pipes, long products semi-finished mill products (sheets, strips, rods) and forgings used in the production method hot formed or cold machining of various parts of equipment in the energy and heavy engineering.
Standards
| Name | Code | Standards |
|---|---|---|
| Bulls. Blanks. Slabs | В31 | TU 14-1-1214-75, TU 14-1-3486-82 |
| Metal forming. Forgings | В03 | TU 14-1-2274-77, TU 14-1-5287-94 |
| Sectional and shaped rolling | В32 | TU 14-1-2573-78, TU 14-1-5286-94 |
| Sheets and stripes | В33 | TU 14-1-4014-85, TU 14-1-4391-88 |
Chemical composition
| Standard | C | S | P | Mn | Cr | Si | Ni | Fe | V | Mo |
|---|---|---|---|---|---|---|---|---|---|---|
| TU 14-1-5287-94 | ≤0.03 | ≤0.01 | ≤0.015 | ≤0.5 | 11-12 | ≤0.5 | 7.8-8.6 | The rest | 0.05-0.3 | 2.3-2.8 |
| TU 14-1-3486-82 | ≤0.03 | ≤0.01 | ≤0.01 | ≤0.5 | 11-12 | ≤0.15 | 7.8-8.6 | The rest | 0.05-0.3 | 2.3-2.8 |
Fe is the basis.
According to TU 14-1-5287-94, the chemical composition is given for steel grade 03H11N8M2F-ID (DI52-ID).
According to TU 14-1-5286-94, the chemical composition is given for steel grades 03H11N8M2F-VD (D52-VD and 03H11N8M2F-ID, (D52-ID) .The finished product is allowed to deviate by chemical composition: carbon +0.0050% for chromium -0.50%, for nickel -0.20%, for sulfur and phosphorus, provided that their total content is not more than 0.025% .On demand of the consumer, steel is supplied with niobium (Nb), the mass fraction of which should be within 0, 05-0,15% The mass fraction of the residual elements is in accordance with GOST 5632. At the request of the consumer, the steel is supplied with a chemical composition "select" for nickel, the new share of which should be within the range of 8.30-8.60%, while the allowable deviation by the mass fraction of nickel is plus 0.50% and the aluminum content is not more than 0.15%.
According to TU 14-1-3486-82, the chemical composition is given for steel grade 03H11N8M2F-VD (DI52-VD). At the request of the consumer, steel is supplied with a content of niobium in the range of 0.05-0.15%. Deviations in the content of chemical elements are allowed: carbon +0.0050%, chromium-0.50%, sulfur and phosphorus, with a total content of not more than 0.020%, nickel -0.20%. At the request of the customer, agreed with the customer and specified in the order, the steel is supplied with a chemical composition of nickel "select" 8.30-8.60% with a tolerance of + 0.50%. The residual content of the elements in the steel should not exceed: copper 0.20%, niobium 0.15%, titanium 0.15%, tungsten 0.20% ..
According to TU 14-1-1214-75 the chemical composition is given for steel grade 03H11N8M2F-VD (DI52-VD). At the request of the consumer, the steel is supplied with a chemical composition of nickel "select" with a content of 8.30-8.60% with a tolerance of + 0.30%. Deviations in the chemical composition of the elements are permissible in the finished product: carbon + 0.0050%, chromium-0.50%, sulfur and phosphorus, with a total content of not more than 0.025%, nickel -0.20%. The content of residual elements in steel is according to GOST 5632.
Steel with the marking 03Х11Н8М2ФУ-ВД (ДИ52У-ВД) - for limited use and the silicon content should not exceed 0,15%, phosphorus - 0,010%. The total content of sulfur and phosphorus should not exceed 0.020%. The content of residual elements should not exceed: copper and tungsten - 0.20% each; niobium and titanium - 0.15% each. The content of the residual elements can not be determined.
According to TU 14-1-5287-94, the chemical composition is given for steel grade 03H11N8M2F-ID (DI52-ID).
According to TU 14-1-5286-94, the chemical composition is given for steel grades 03H11N8M2F-VD (D52-VD and 03H11N8M2F-ID, (D52-ID) .The finished product is allowed to deviate by chemical composition: carbon +0.0050% for chromium -0.50%, for nickel -0.20%, for sulfur and phosphorus, provided that their total content is not more than 0.025% .On demand of the consumer, steel is supplied with niobium (Nb), the mass fraction of which should be within 0, 05-0,15% The mass fraction of the residual elements is in accordance with GOST 5632. At the request of the consumer, the steel is supplied with a chemical composition "select" for nickel, the new share of which should be within the range of 8.30-8.60%, while the allowable deviation by the mass fraction of nickel is plus 0.50% and the aluminum content is not more than 0.15%.
According to TU 14-1-3486-82, the chemical composition is given for steel grade 03H11N8M2F-VD (DI52-VD). At the request of the consumer, steel is supplied with a content of niobium in the range of 0.05-0.15%. Deviations in the content of chemical elements are allowed: carbon +0.0050%, chromium-0.50%, sulfur and phosphorus, with a total content of not more than 0.020%, nickel -0.20%. At the request of the customer, agreed with the customer and specified in the order, the steel is supplied with a chemical composition of nickel "select" 8.30-8.60% with a tolerance of + 0.50%. The residual content of the elements in the steel should not exceed: copper 0.20%, niobium 0.15%, titanium 0.15%, tungsten 0.20% ..
According to TU 14-1-1214-75 the chemical composition is given for steel grade 03H11N8M2F-VD (DI52-VD). At the request of the consumer, the steel is supplied with a chemical composition of nickel "select" with a content of 8.30-8.60% with a tolerance of + 0.30%. Deviations in the chemical composition of the elements are permissible in the finished product: carbon + 0.0050%, chromium-0.50%, sulfur and phosphorus, with a total content of not more than 0.025%, nickel -0.20%. The content of residual elements in steel is according to GOST 5632.
Steel with the marking 03Х11Н8М2ФУ-ВД (ДИ52У-ВД) - for limited use and the silicon content should not exceed 0,15%, phosphorus - 0,010%. The total content of sulfur and phosphorus should not exceed 0.020%. The content of residual elements should not exceed: copper and tungsten - 0.20% each; niobium and titanium - 0.15% each. The content of the residual elements can not be determined.
Mechanical characteristics
| Section, mm | sT|s0,2, MPa | σB, MPa | d5, % | y, % | kJ/m2, кДж/м2 |
|---|---|---|---|---|---|
| Forging as supplied on the other 14-1-5287-94 | |||||
| ≥834 | ≥981 | ≥12 | ≥55 | ≥980 | |
| Bars and stripes on the other 14-1-5286-94. The longitudinal samples. Quenching in water or air from 950±15 °With + Double quenching in water or in air 700±15 °C (exposure for 30 minutes) with a mandatory cooling to room temperature + Aging at 490-510 °C (exposure 2 hours) air cooling. The graph indicates the value of KCU KCU+20°C/KCU-196°C | |||||
| ≥883 | ≥981 | ≥15 | ≥55 | ≥1470/680 | |
| Bars and stripes on the other 14-1-5286-94. The longitudinal samples. Quenching in water or air from 950±15 °C + Vacation at 250±10 °C (exposure 2 hours), air cooling. The graph indicates the value of KCU KCU+20°C/KCU-196°C | |||||
| ≥834 | ≥951 | ≥12 | ≥55 | ≥980/590 | |
| Bars and stripes on the other 14-1-5286-94. The longitudinal samples. Quenching in water or air from 950±15 °C + Vacation at 350±10 °C (exposure 2 hours), air cooling. The graph indicates the value of KCU KCU+20°C | |||||
| ≥834 | ≥981 | ≥12 | ≥55 | ≥980 | |
| Tubular billet on the other 14-1-3486-82. Annealing in air from 950±10 °C (for longitudinal samples with allowance for grinding) | |||||
| ≥785 | ≥932 | ≥12 | ≥55 | ≥687 | |
| Tubular billet on the other 14-1-3486-82. Annealing in air from 950±10 °C + Vacation at 250±10 °C (exposure 2 hours), air cooling (longitudinal samples with allowance for grinding when debugging) | |||||
| ≥883 | ≥981 | ≥12 | ≥55 | ≥687 | |
Description mechanical marks
| Name | Description |
|---|---|
| Section | Section |
| sT|s0,2 | Yield strength or limit of proportionality with a tolerance for residual deformation of 0.2% |
| σB | Limit short-term strength |
| d5 | Elongation after rupture |
| y | The relative narrowing |
| kJ/m2 | Toughness |
Technological properties
| Name | The value |
|---|---|
| Pressure treatment | Of forging of billets on the other 14-1-3486-82 must be at least 5. For billets with a diameter of 180 mm of forging should be not less than 2.6. |
| Macrostructure and contamination | Macrostructure of steel billets on the other 14-1-3486-82 when checking on the etched templeto should not be visible without using the magnifying devices of the bubbles, captured, fistulas, cracks, residues, shrinkage, inclusions, delaminations. The permissible defects of the macrostructure shall not exceed: Central porosity - 1 point; - point heterogeneity - 1 point; - phase separation in the square - 1 point; - for layer-by-layer crystallization and the bright loop - 3 score. |
| Microstructure | The contents of alpha phase in the tube blank on the other 14-1-3486-82 should not exceed 1.5 points. |
